A Swedish NH90 maritime helicopter on display at the Uppsala Air Show (Breaking Defense) BELFAST — After a series of high-profile toubles , the NH90 multirole helicopter program is set up for long-term success, built off plans for a future Block 2 upgrade, new commercial sales opportunities, better fleet availability rates, supply chain improvements and reduction in maintenance processes, according to the aircraft manufacturer’s top official. Cancelled orders, delivery delays, poor availability